About: http://webisa.webdatacommons.org/17908028

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	You can force your web services callers to use a custom SOAP headers that contains information you need to identify them, such as Application key, user name and password or any data that makes you know who they are.
http://www.w3.org/ns/prov#wasQuotedFrom	codeproject.com